
.main{
    width: 100%;
    height: 91%;
}
.center{
    width: 80%;
    height: 90%;
    margin-left: 10%;
    margin-top: 2%;
}
.block{
    width: 100%;
    height: 50%;
    display: flex;
    flex-direction: row;
}
.block .box{
    width: 50%;
    height: 100%;
    background-color: rgba(255,255,255,0.3);
    display: flex;
    flex-direction: row;
}
.box1{
    border-bottom: 1px dotted white;
    border-right: 1px dotted white;
}
.box2{
    border-bottom: 1px dotted white;
}
.box3{
    border-right: 1px dotted white;
}
.box .img{
    width: 35%;
    height: 100%;
}
.box .intro{
    width: 65%;
    height: 100%;
}
.box .intro .text{
    width: 90%;
    height: 95%;
}
.box .intro .text div{
    color: black;
}
.img .fa-paper-plane,.fa-institution,.fa-tachometer{
    font-size: 80px;
    margin-left: 25%;
    margin-top: 40%;
}
.fa-mobile-phone{
    font-size: 120px;
    margin-left: 35%;
    margin-top: 30%;
}
